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Standard User deleted
(deleted) Wed 24-Mar-10 14:30:43
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Should I have a higher connection speed with these stats?


[link to this post]
 
Uptime: 3 days, 4:48:42
DSL Type: G.992.1 annex A
Bandwidth (Up/Down) [kbps/kbps]: 448 / 4,832
Data Transferred (Sent/Received) [kB/kB]: 0.00 / 0.00
Output Power (Up/Down) [dBm]: 11.5 / 19.5
Line Attenuation (Up/Down) [dB]: 25.5 / 39.0
SN Margin (Up/Down) [dB]: 24.0 / 13.5
Vendor ID (Local/Remote): TMMB / TSTC
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 0 / 0
FEC Errors (Up/Down): 0 / 0
CRC Errors (Up/Down): 0 / 1,770
HEC Errors (Up/Down): 0 / 787
Was previously on Sky Connect and their router connected at just over 7Mb with a 6db SNR, the PN supplied router has always had SNR of 13+db and connection speed similar to above. It's always been a pretty stable line too and connecting to master socket makes no difference. We are roughly half what we had with sky and have done for the 3-4 months we've been back with PN.
I queried this with PN support who said changing the SNR with BT was something they couldn't do.
Would a different router help? I don't have a spare to try though.
Our exchange has a date of 31st March for changeover to WBC so I could see a change once we are moved over.
Standard User jelv
(fountain of knowledge) Thu 25-Mar-10 09:01:17
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Re: Should I have a higher connection speed with these stats


[re: deleted] [link to this post]
 
Your noise margin being elevated indicates that the BT equipment thinks there has been an instability problem with the line, this then gives you a lower sync speed. Frequent manual reconnects can be misinterpreted as instability by BT.

jelv

Plusnet user since November 2001
Plusnet Community forums: http://community.plus.net
Constructive help from a large knowledgeable group of current Plusnet users
Standard User Apprentice
(knowledge is power) Thu 25-Mar-10 10:30:28
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Re: Should I have a higher connection speed with these stats


[re: deleted] [link to this post]
 
You can have the SNRM reset to the default 6dB but it also involves another ten day line retrain.

If you get in touch with one of the PN Comms Team they will organise it for you as long as the line is stable with no other problems/issues.

They visit this forum and you can contact them here too.

Alastair

omadasafisho


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Administrator MrSaffron
(staff) Thu 25-Mar-10 11:15:04
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Re: Should I have a higher connection speed with these stats


[re: Apprentice] [link to this post]
 
"but it also involves another ten day line retrain" which simply resets the MSR, i.e. is not great horrible experience.

If the line is still unstable you will end up with a higher target noise margin.

The CRC errors indicate some instability, has ring wire removal and other optimisations of the phone line taken place?

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User deleted
(deleted) Thu 25-Mar-10 19:28:22
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Re: Should I have a higher connection speed with these stats


[re: MrSaffron] [link to this post]
 
Is that a large number of crc errors for 3 days uptime?
I did have a rock solid connection with sky for well over a year but eventually left due to the evening slowdowns.

I contacted plusnet via a ticket was was informed that they and bt cannot change the snr margin.
Standard User RobertoS
(legend) Wed 07-Apr-10 18:54:45
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Re: Should I have a higher connection speed with these stats


[re: deleted] [link to this post]
 
In reply to a post by Ferret76:
I contacted plusnet via a ticket was was informed that they and bt cannot change the snr margin.
Putting it politely that is simply incorrect.

I will leave putting it less politely to your imagination.

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ISP history: Demon dialup >> Freeserve dialup >> BT Broadband >> Prodigynet >> Newnet >> O2 Standard.
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Standard User deleted
(deleted) Thu 08-Apr-10 15:38:22
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Re: Should I have a higher connection speed with these stats


[re: deleted] [link to this post]
 
Hi there,

I suspect we will be able to request this subject to line stability etc, if you could drop me a PM with your username or a ticket ID I'll be able to take a look and let you know. I'll also be able to have a word regarding the ticket response too.

Hope that helps,
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